Erwin Chemerinsky: The candidates and the Supreme Court

Erwin Chemerinsky has this commentary in the LA Times.  He begins: 

Why are the two major presidential candidates virtually ignoring the importance of this election in determining the composition of the Supreme Court and the future of constitutional law? One of a president’s most long-lasting legacies is in the judges he places on the bench. Justice John Paul Stevens, now 88 years old, was appointed by President Ford in 1975. If John G. Roberts Jr. remains on the court until he is 88, he would be chief justice until 2043 . . .